import java.util.concurrent.Semaphore;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86183
 * Date: 2024-04-15
 * Time: 9:38
 */
public class Demo4 {
    private static int count=0;
    public static void main(String[] args) throws InterruptedException {
        Semaphore semaphore=new Semaphore(1);
        Thread t1=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                try {
                    semaphore.acquire();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                count++;
                semaphore.release();
            }
        });
        t1.start();
        Thread t2=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                try {
                    semaphore.acquire();
                    count++;
                    semaphore.release();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

            }
        });
        t2.start();
        t1.join();
        t2.join();
        System.out.println("count= "+count);
    }
}
